Oh, so you don't need something immediately?

呵, 所以你们不是急着马上就要买房子。

So, if you don't need something anymore, you ditch it.

因此，如果你不再需要某样东西，你就把它扔掉。

You don't need something to do?

你不需要做点什么吗？

She shouldn't need something to help her sleep.

她也不能总是要抱个东西才能睡着吧。

He's saying that the government shouldn't tell us what we need, and is given examples of cases where even when people don't need something they are allowed to buy it.

他说政府不应该告诉我们我们需要什么，并给出了一些例子， 即使人们不需要某些东西， 他们也可以购买。